EEM can be used for monitoring, or triggered by specified conditions (change configuration, etc.). The following is Cisco official document. Embedded Event Manager (EEM) is a distributed and customized approach to event detection and...
1. Enable IOx 2. Confirm IOx status We can see IOx service (IOxman): Not Ready. This may take a few minutes. 3. Configure port If the port is not configured correctly, the following error...
1. Delete old installation files install remove inactive 2. Copy files from ftp server to flash memory copy ftp://username:password@image flash: 3. Confirm copied file dir flash:*.bin 4. Install to bootflash install add file bootflash:image...
The following is the initial configuration process of C9800-80-K9. 1. Configure IP address and default route Updated on November 5, 2020Or configure the IP address in the port instead of SVI 2. Configure SSH...
In the previous article I shared how to save putty logs, this time I will share how to save Tera Term logs automatically. Setup – Additional settings Set directory and file name For the...
Admittedly, putty is a good tool. I often need to copy the putty logs to a txt file for analysis. I would like to share here two tips for using putty. Let putty output...
For network engineers, you may use putty every day at work. Some people who are willing to share have made the putty color theme, and we only need to download it to easily configure...
In this post I will show how to configure Splash Page Redirect. The logic of Splash Page Redirect is to use 802.1X for identity authentication. When the authenticated user tries to access the webpage,...
When troubleshooting wireless issues, we often need to analyze OTA packets. The annoying thing is that most of these packets are encrypted, and we can’t see the contents inside. Fortunately, we can use Wireshark...
There are two common methods to recover password for Cisco lightweight access points. Reset LAP through with Controller CLI This method is limited to the case where the AP has joined the WLC. config...
Updated on May 21, 2020: If you are looking for C9800 wireless controller automation, please refer to my following article, I hope this helps you.Monitoring IOS-XE device with Netconf API + Grafana + InfluxDB...
For wireless environments, there’s competition everywhere. If an AP serves many clients, there must be delays and packet loss. Aggressive Load Balancing was created to solve this problem, the number of clients connected to...
If you are using Wave2 AP and WPA2 TKIP is enabled, it may cause client connection problems. This is because the Wave2 AP does not support WPA2 TKIP. In versions 8.4 and above, the...
If your WLC failed to load image, you may need to recovery the WLC using RTOS image. We need to contact TAC to get the RTOS image. The following are the upgrade steps. Type...
Cause Analysis Mobility Express environment allows redundancy, If the Master AP fails, another AP(MOBILITY EXPRESS CAPABLE image installed) will become the Master AP. VRRP plays an important role in the Failover process of ME,...
Configuring LAG(link aggregation) allows the AP to provide 2 Gbps uplink. Configuring WLC Use the command “config ap lag-mode support enable” to enable global LAG support. This will cause the DTLS connection to be...
We know that the asterisk in the Catalyst means <Time is not authoritative>. *—Time is not authoritative.(blank)—Time is authoritative..—Time is authoritative, but NTP is not synchronized. https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750e_3560e/software/release/12-2_55_se/configuration/guide/3750escg/swadmin.html Does AP mean the same thing? The...
Both reset system and restart can reload the WLC. But what is the difference? Why are there two commands? There are two explanations for the commands in the CLI. We can see that the...
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